TY - RPRT TI - Spectrally Invariant Approximation within Atmospheric Radiative Transfer AU - Marshak, A. AU - Knyazikhin, Y. AU - Chiu, J. C. AU - Wiscombe, W. J. PY - 2011 UR - https://ntrs.nasa.gov/citations/20130006699 ID - 20130006699 ER -